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<h2>Simulation Data for model Two-Stage Least Square (twosls) that corresponds to method 2SLS of systemfit</h2>

<h3>Description</h3>


<p>Dataframe contains annual observations of US economy from 1920 to
1940. The columns are, Year, C=Consumption, P=Corporate profits,
P1=Previous year corporate profit,Wtot=Total wage, Wp=Private wage
bill, Wg=Government wage bill,I=Investment,
K1=Previous year capital stock,X=GNP,G=Government spending, T=Taxes,
X1=Previous year GNP, Tm=Year-1931.
</p>


<h3>Usage</h3>

<pre>data(klein)</pre>


<h3>Format</h3>


<p>A table containing 14 variables (&quot;year&quot;, &quot;C&quot;, &quot;P&quot;, &quot;P1&quot;,&quot;Wtot&quot;, &quot;Wp&quot;,
&quot;Wg&quot;, &quot;I&quot;, &quot;K1&quot;,&quot;X&quot;, &quot;G&quot;, &quot;T&quot;, &quot;X1&quot;, &quot;Tm&quot;) and 21 observations.  
</p>


<h3>Source</h3>

<p>http://pages.stern.nyu.edu/~wgreene/Text/econometricanalysis.htm</p>


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